fs: icache RCU free inodes

[deliverable/linux.git] / fs / gfs2 / super.c

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 2b2c4997430b708113af14a08d4c58449b97ccbe..16c2ecac7eb78cec5da5c6ce6dea798fc64ad7b0 100644 (file)
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1405,11 +1405,18 @@ static struct inode *gfs2_alloc_inode(struct super_block *sb)
        return &ip->i_inode;
 }
 
-static void gfs2_destroy_inode(struct inode *inode)
+static void gfs2_i_callback(struct rcu_head *head)
 {
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       INIT_LIST_HEAD(&inode->i_dentry);
        kmem_cache_free(gfs2_inode_cachep, inode);
 }
 
+static void gfs2_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, gfs2_i_callback);
+}
+
 const struct super_operations gfs2_super_ops = {
        .alloc_inode            = gfs2_alloc_inode,
        .destroy_inode          = gfs2_destroy_inode,